SEOUL METROPOLITAN GOVERNMENT ORDINANCE ON PROMOTION AND SUPPORT OF IMPROVEMENT OF ATMOSPHERIC ENVIRONMENT
- Enactment No. 3602, May. 10, 1999
- Partial Amendment No. 3775, Jul. 25, 2000
- Partial Amendment No. 4164, Dec. 30, 2003
- Amendment of Other Laws No. 4284, Jun. 16, 2005
- Whole Amendment No. 4560, Oct. 01, 2007
- Amendment of Other Laws No. 4593, Dec. 26, 2007
- Amendment of Other Laws No. 4616, Apr. 03, 2008
- Partial Amendment No. 4882, Nov. 11, 2009
- Amendment of Other Laws No. 4907, Jan. 07, 2010
- Amendment of Other Laws No. 5208, Dec. 29, 2011
- Amendment of Other Laws No. 5272, Mar. 15, 2012
- Amendment of Other Laws No. 5930, May. 14, 2015
- Partial Amendment No. 5975, Jul. 30, 2015
- Amendment of Other Laws No. 6016, Oct. 08, 2015
- Amendment of Other Laws No. 6609, Sep. 21, 2017
- Amendment of Other Laws No. 6851, Mar. 22, 2018
- Partial Amendment No. 7249, Jul. 18, 2019
- Amendment of Other Laws No. 7423, Dec. 31, 2019
- Partial Amendment No. 7580, May. 19, 2020
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